/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.schemas;



import java.lang.reflect.InvocationTargetException;

import java.util.List;



/**

 * A {@link UserTypeCreatorFactory} that uses a default constructor and a list of setters to

 * construct a class.

 */

class SetterBasedCreatorFactory implements UserTypeCreatorFactory {

  private final Factory<List<FieldValueSetter>> setterFactory;



  public SetterBasedCreatorFactory(Factory<List<FieldValueSetter>> setterFactory) {

    this.setterFactory = new CachingFactory<>(setterFactory);

  }



  @Override

  public SchemaUserTypeCreator create(Class<?> clazz, Schema schema) {

    List<FieldValueSetter> setters = setterFactory.create(clazz, schema);

    return new SchemaUserTypeCreator() {

      @Override

      public Object create(Object... params) {

        Object object;

        try {

          object = clazz.getDeclaredConstructor().newInstance();

        } catch (NoSuchMethodException

            | IllegalAccessException

            | InvocationTargetException

            | InstantiationException e) {

          throw new RuntimeException("Failed to instantiate object ", e);

        }

        for (int i = 0; i < params.length; ++i) {

          FieldValueSetter setter = setters.get(i);

          setter.set(object, params[i]);

        }

        return object;

      }

    };

  }

}